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3299

Bourns Electronic
Part Number 3299
Manufacturer Bourns Electronic
Description Trimming Potentiometer
Published May 16, 2007
Detailed Description Features n 3/8 ˝ Square/ Multiturn / Cermet / Industrial / Sealed n Five popular terminal styles n Standoffs n RoHS comp...
Datasheet PDF File 3299 PDF File

3299
3299


Overview
Features n 3/8 ˝ Square/ Multiturn / Cermet / Industrial / Sealed n Five popular terminal styles n Standoffs n RoHS compliant* version available n For trimmer applications/processing guidelines, click here 3299 - 3/8 ˝ Square Trimpot® Trimming Potentiometer Electrical Characteristics Standard Resistance Range .
.
.
10 to 2 megohms (see standard resistance table) Resistance Tolerance.
.
±10 % std.
(tighter tolerance available) Absolute Minimum Resistance .
.
.
1 % or 2 ohms max.
(whichever is greater) Contact Resistance Variation 1.
0 % or 3 ohms max.
(whichever is greater) Adjustability Voltage ±0.
01 % Resistance.
.
.
.
±0.
05 % Resolution.
Infinite Insulation Resistance.
500 vdc.
1,000 megohms min.
Dielectric Strength Sea Level.
.
900 vac 70,000 Feet.
.
.
.
350 vac Effective Travel.
.
.
25 turns nom.
Environmental Characteristics Power Rating (300 volts max.
) 70 °C.
.
.
.
0.
5 watt 125 °C 0 watt Temperature Range.
.
.
.
-55 °C to +125 °C Temperature Coefficient.
.
.
.
±100 ppm/°C Seal Test.
.
.
85 °C Fluorinert† Humidity.
.
.
MIL-STD-202 Method 103 96 hours (2 % ΔTR, 10 Megohms IR) Vibration.
.
.
20 G (1 % ΔTR; 1 % ΔVR) Shock 100 G (1 % ΔTR; 1 % ΔVR) Load Life .
.
.
.
1,000 hours 0.
5 watt @ 70 °C (3 % ΔTR; 3 % or 3 ohms, whichever is greater, CRV) Rotational Life.
.
.
.
200 cycles (4 % ΔTR; 3 % or 3 ohms, whichever is greater, CRV) Physical Characteristics Torque 3.
0 oz-in.
max.
Mechanical Stops.
.
.
Wiper idles Terminals.
.
.
.
Solderable pins Weight.
.
...


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